Simplify using suitable identity :- (3.9) ² - (1.7)² / 3.9 -1.7
Answers
Answered by
4
Answer:
5.6
Step-by-step explanation:
Using a²-b² = (a+b)(a-b)
=( 3.9 + 1.7)(3.9 -1.7)/3.9 - 1.7
=3.9 + 1.7
=5.6
Similar questions